For nearly four billion years, life has been swimming and shuffling across our planet. But how can we deduce what it was like? You don’t need Sherlock Holmes to track the clues of life that came before – call on an anthropologist or biologist. From fossils to alien radio signals, find out how to interpret the clues that living organisms leave behind, and hear adventure stories in the evolution of life on Earth.
Also, the discovery of a dino-eating crocodile and the tale of scientist/explorer/polymath Idaho Brown.
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Guests:
- Sean Carroll – Molecular biologist and geneticist at the University of Wisconsin, Madison, and author of Remarkable Creatures: Epic Adventures in the Search for the Origin of Species
- Paul Sereno – Paleontologist at the University of Chicago, and National Geographic Explorer in Residence
- Seth Shostak – Senior Astronomer at the SETI Institute and author of Confessions of an Alien Hunter: A Scientist’s Search for Extraterrestrial Intelligence
